Made this quite a while ago, didn’t think about adding it to this, what do u guys think of it? It works great for the majority of games.
set Yourgame to "Your Game" --> Change YourGame to Your game's name <--
set Spammsg to text returned of (display dialog "Say What..?" default answer "")
set the clipboard to Spammsg
repeat
set spamtimes to text returned of (display dialog "How Many Times?" default answer "")
try
set spamtimes to spamtimes as number
exit repeat
on error
beep
end try
end repeat
tell application Yourgame
activate
end tell
tell application "System Events"
repeat spamtimes times
key down return
key up return
keystroke (the clipboard)
key down return
key up return
end repeat
end tell